Climatological Report (Daily)
Issued by NWS
Issued by NWS
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025
CDUS43 KLOT 290634
CLIMDW
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
134 AM CDT TUE JUL 29 2025
...................................
...THE CHICAGO-MIDWAY CLIMATE SUMMARY FOR JULY 28 2025...
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1928 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 93 4:09 PM 100 1941 85 8 83
1983
MINIMUM 77 11:45 PM 53 1981 68 9 70
AVERAGE 85 76 9 77
PRECIPITATION (IN)
YESTERDAY T 1.25 1981 0.12 -0.12 0.22
MONTH TO DATE 6.05 3.19 2.86 6.24
SINCE JUN 1 11.42 7.20 4.22 9.68
SINCE JAN 1 20.99 19.68 1.31 25.66
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 9 24 -15 3
SINCE JUL 1 0 0 0 0
COOLING
YESTERDAY 20 11 9 12
MONTH TO DATE 406 323 83 303
SINCE JUN 1 730 545 185 625
SINCE JAN 1 781 627 154 738
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION NE (60)
HIGHEST GUST SPEED 38 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 6.4
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 4:00 AM
LOWEST 46 8:00 PM
AVERAGE 68
..........................................................
THE CHICAGO-MIDWAY CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 85 101 1941
MINIMUM TEMPERATURE (F) 68 50 1928
1981
SUNRISE AND SUNSET
JULY 29 2025..........SUNRISE 5:42 AM CDT SUNSET 8:12 PM CDT
JULY 30 2025..........SUNRISE 5:43 AM CDT SUNSET 8:11 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$